openBox method
打开一个盒子,并获取所有键
Implementation
Future<List<String>> openBox(String boxName) async {
final exists = await Hive.boxExists(boxName);
if (!exists) {
///提示没有这个盒子
return [];
}
final box = await Hive.openBox(boxName);
final keys = box.keys;
return keys.map((e) => e.toString()).toList();
}